Improvement in modes of extracting drills from wells



No. 48,615. PATENT'ED JUL, 1365.

J. BBYER.

MODE 0F EXTRAGTING DRILLS PROM WELLS.

Julian $01 a cross-section on line 1 2;.

UNITE STATES PATENT ()FFICE.

JAcon nYna, on BUFFALO, NEW Y ORK, ASSIGNOR rro'nnusnnn-ann JOHN E. SMITH, on SAME Prison.

Specification forming part of Letters Patent No. 48,6],5, dated Julyv 4, 1865. i

To all whom it may concern."

Be it known that I, Jason-Berna, of the city of Buffalo, county ofErie, and StateofNew York, have invented new and useful Improvements in Devices for Extracting Drills and Broken Tools from Oil-Wells and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, inwhich- Figure I isa longitudinal section of my improved device. Fig. II is asection of one longitudinal half or portion thereof. Fig. III is FigWIV is a crosssection on line3 4. i

i l Letters of like name andkind represent like parts in each of the figures.

The nature of this invention consists in the combination, with a pair of gaping-tongs, of secondary or reversinglevers, by which said tongs may be made to take hold of and firmly 'grasp the broken tool or drill and to withdraw the same bya direct upward pull on a rope or chain, by which theinstrument is lowered into the well; second,inconstructingapair of griping-tongs withextezior wedgesurfaces above and below the hinge thereof, and the combination therewith of two rings, which may be moved and operated by a cord rcachingto the top of the well in -a manner to open and shut the jaws of the ton gs when required.

The griping-tongs consist-of two levers,A A, hinged or joined togetlleratc, thelever ends or jawsthereot' being concaved to a semicylindrical form, as shown atB, enlarged or flared out, as shown atB, to guide the instrument and insure the proper taking hold of the drill as it is lowered into the well.

G Grepresent the secondary or reversing levers, which are hinged or jointed together, as shown at Ligand hinged to the griping-levers at C 7 D represents the operatingrope or chain, by

which the instrument is lowered into-the well and made to graspthe drill orbroken toohand by which the drill or broken tool so seized is raised and-withdrawn from the well. It conneets with the upper ends of the lever 0 O by a loop, I), which causes an upwardstraiu on the rope to draw the upper ends of the levers (J O forcibly together, which motion is them. The ton gl-levers have their exteriorsurjaws and allow'sthem to be brought together communicated to the griping-tongs in a man ner (evident by inspection of the drawings) to bring together the jaws of the tongs and firmly grasp anything that may come between I faces made convex, so that their cross-section, when taken together, is circular, and are ta.- v pered longitudinally aboveand below the hinge is a in reverse directions,'and are provided with-t. encircling-rings E E, one above and the other below the hinge a, and'conneeted together-by the side bars, 6 An upward {movement of these rings causes the upper one, E, to act upon the taper above the joints in a manner to bring the levers together above and open the jaws-below andrelease their hold on thetool, and a downward movement thereof causes the lower ring, E, to act upon the taper below the joint in ama'nner to bring the jaws together. The upward movement of the ringsis produced by pulling on cord F, connected therewith and reaching tothe top of the well,- and the downward motion is produced by their own weight. 3 Before lowering the instrument into the well the jaws are expanded, and in that position fixed by a stop-bar, G, held in guide-slots g in the jaws, and having shoulders, as shown at l g, which catchagainst the inside of the jaws. The instrument being lowered into the well notil-it strikes the drill or broken tool to be removed, the' jaws, being expanded, will pass down around the drill until the end thereof strikes the stop-bar G and forces it up in the guide-slots 9 until it releases its hold uponthe by the action of the ringE,asbelore described, so as to tightly grasp the drill or tool between them, which grasp is tightened by the application of an upward strain upon the rope D in the manner before described, and this grasp increases in strength in proportion as the strain upon the rope D is increased, so that it is scarce- 1y possible for the jaws to slip their hold upon the tool or drill, whatever amount of power may be applied to remove the same from the well.

Thejaws are provided with internal spurs or teeth H, of hardened steel, which indent them selves into the tool or drill and give an increasedhold thereon.

When the drill or tool to be removed has a may be instantly released by pulling on the lcord F and raising the ring E,'as before described. a It is believedthatthis instrument is superior to any'previous invention from the perfect control of its movements and operation, which may he had from the top of the'well at which it'ma y be'required to work.

7 Having thus described my inventiomwhat I 1 claim, and desire to secure by Letters Patent,

' 1. Operating the griping-longsA A by the reversing or secondary l'eversO G and rope D,

in the manner and for the purposes described. 7

- 2. The combination of the upper ring, E,and

' operating-cord F with the tapering gripin'gtongs, for the purposes and substantially as described. p v

3. The combination of the lowerrj'rg g E ,with

the tapering griping-tongs andstopbar G, op-

erating asand for the purposes described.

. JACOB BEYER.

Witnesses:

W. H. FoRBUsH,. B. H. MUEHLE. 

